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Round|Natural|GIA

6.21ct G VVS1 Round Natural Diamond

EX • G/VVS1 • GIA 7528230306

Certificate GIA 7528230306

Diamond specifications and retailer prices

From $432,957 NZD
$243,604 USD
As of October 29, 2026
Save $81,720 NZD (16%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $514,678 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.21ct natural round diamond

This 6.21ct natural round sits in the over five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 7528230306. Listed at 3 retailers as of October 29, 2026, with prices from $432,957 to $514,678, a $81,720 spread on the same certified stone. Blue Nile lists it at $514,678. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

6.21
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7528230306
Dimensions11.93 × 11.89 × 7.26 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Pinpoint
Top View
11.93 mm11.89 mm6.21 ctG / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7528230306
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $514,678 NZD|Low: $432,957 NZD|High: $531,678 NZD|Avg: $487,952 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$432,957 NZD
Retailer 4$464,609 NZD
Retailer 2$486,450 NZD
Blue Nile$514,678 NZD
Retailer 5$520,085 NZD

19 data points across 5 retailers

3 retailers$432,957 NZD to $514,678 NZD

B+
Cheapest Retailer
-
$432,957 NZD
$243,604 USD
B+
Retailer 2
-
$486,450 NZD
£215,513 GBP
View
Most Expensive
B+
Blue Nile
30276072 · Oct 31
$514,678 NZD
$289,584 USD
View
2 more retailers have this diamond
Prices start from $432,957 NZDSave up to $81,720 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
6.21ct Round
$432,957 NZD